Generic Primary Mechanical Response of Viscous Liquids

S. Peter Bierwirth; Roland Böhmer; Catalin Gainaru

doi:10.1103/PhysRevLett.119.248001

Generic Primary Mechanical Response of Viscous Liquids

S. Peter Bierwirth, Roland Böhmer, Catalin Gainaru

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Four decades ago a seminal review by Jonscher [Nature (London) 267, 673 (1977)NATUAS0028-083610.1038/267673a0] revealed that the dielectric response of conducting materials is characterized by a "remarkable universality". Demonstrating that the same response pattern is exhibited also by shear rheological spectra of nonpolymeric viscous liquids, the present contribution connects two branches of condensed matter physics: Concepts developed for charge transport can be employed for the description of mass flow and vice versa. Based on the virtual equivalence of the two dynamics a connection is established between microscopic and macroscopic viscoelastic characteristics of liquids, resembling the Barton-Nakajima-Namikawa relation for conductivity.

Original language	English
Article number	248001
Journal	Physical Review Letters
Volume	119
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.119.248001
State	Published - Dec 11 2017
Externally published	Yes

Funding

This work was partially funded by the Deutsche Forschungsgemeinschaft under Grant No. BO1301/14-1.

Funders	Funder number
Deutsche Forschungsgemeinschaft	BO1301/14-1

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10.1103/PhysRevLett.119.248001

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title = "Generic Primary Mechanical Response of Viscous Liquids",

abstract = "Four decades ago a seminal review by Jonscher [Nature (London) 267, 673 (1977)NATUAS0028-083610.1038/267673a0] revealed that the dielectric response of conducting materials is characterized by a {"}remarkable universality{"}. Demonstrating that the same response pattern is exhibited also by shear rheological spectra of nonpolymeric viscous liquids, the present contribution connects two branches of condensed matter physics: Concepts developed for charge transport can be employed for the description of mass flow and vice versa. Based on the virtual equivalence of the two dynamics a connection is established between microscopic and macroscopic viscoelastic characteristics of liquids, resembling the Barton-Nakajima-Namikawa relation for conductivity.",

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Generic Primary Mechanical Response of Viscous Liquids

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